It is a supposedly witty paraprosdokian said by Churchill. But I (and possibly some other people whose first language is not English) don't get it. Can someone explain what it means? Do English native ...

Comedians seem to use phrases that employ this type of sentence structure - is there a name for it?
Examples of Groucho Marx's one liners seem to fit this pattern — and if memory serves, Emo Philips. ...